156720984560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{39979843}}^1$

素因数の和:39979870

約数の個数: 60

約数和(自身を含む): 423866306088

約数和(自身を除く): 267145321528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 39979843, 79959686, 159919372, 199899215, 279858901, 319838744, 399798430, 559717802, 639677488, 799596860, 1119435604, 1399294505, 1599193720, 1959012307, 2238871208, 2798589010, 3198387440, 3918024614, 4477742416, 5597178020, 7836049228, 9795061535, 11194356040, 15672098456, 19590123070, 22388712080, 31344196912, 39180246140, 78360492280, 156720984560]

約数ペア:

[(1, 156720984560), (2, 78360492280), (4, 39180246140), (5, 31344196912), (7, 22388712080), (8, 19590123070), (10, 15672098456), (14, 11194356040), (16, 9795061535), (20, 7836049228), (28, 5597178020), (35, 4477742416), (40, 3918024614), (49, 3198387440), (56, 2798589010), (70, 2238871208), (80, 1959012307), (98, 1599193720), (112, 1399294505), (140, 1119435604), (196, 799596860), (245, 639677488), (280, 559717802), (392, 399798430), (490, 319838744), (560, 279858901), (784, 199899215), (980, 159919372), (1960, 79959686), (3920, 39979843)]